NanoPi NEO AIR vs. CHIP Pro vs. Omega2+ vs. LinkIt Smart 7688 duo

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NanoPi NEO AIR  
FriendlyElec
CHIP Pro  
Next Thing Co.
Omega2+  
Onion
LinkIt Smart 7688 duo  
MediaTek Labs
Thumbnail for NanoPi NEO AIR Thumbnail for CHIP Pro Thumbnail for Omega2+ Thumbnail for LinkIt Smart 7688 duo
SoC AllWinner H3 AllWinner R8 (Next Thing GR8) MediaTek MT7688 MediaTek MT7688AN
CPU ARM Cortex-A7 (32-bit)
1.2GHz quad core
ARM Cortex-A8 (32-bit)
1GHz single core
MIPS 24KEc (32-bit)
580MHz single core
MIPS24KEc (32-bit)
580MHz single core
GPU Mali-400 MP2Mali-400
RAM size 512MB256MB128MB128MB
Built-in RAM
Internal storage 8GB512MB32MB32MB
Removable storage MicroSD MicroSD MicroSD MicroSD
m.2 interface(s)
m.2 NVMe support
USB host 2111
USB OTG
USB version 2.0 (via header)2.0 (via header)2.02.0
Ethernet 1 port
Type: 10/100
1 port
Type: 10/100
Wake-on-Lan
HDMI
VGA
Composite video (CVBS)
Display interfaces
Camera interfaces 11
Audio output
Audio connector Other connectorOther connectorOther connector
HDMI audio
SPDIF
I2S
Line input
Mic input 2 ports
Onboard mic
SATA
IR sensor
WiFi 802.11 b/g/n (AP6212)802.11 b/g/n802.11 b/g/n1T1R 802.11 b/g/n (2.4G)
Bluetooth Bluetooth AP6212Bluetooth 4.2
RTC
GPIO 36321827
PWM 1228
ADC 6 pins
I2C 1111
SPI 1111
UART 2222
RS232 (or 485 or 422)
Arduino shield support
RPi shield support
Input power, voltage 5V2.9V - 5V3.3V3.3V - 5.1V
Input power, current 1A - 2A500mA - 2A500mA - 1.4A300mA - 1A
Linux support yesyesLEDE (based on OpenWRT)yes
Android support
Windows support
Other supported OSes
Size (mm) 40 x 40 x 545 x 30 x 343 x 26 x 1061 x 26 x 13
Weight (g) 8???
Operating temperature ????
Price $18$16$13$16


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